CN104174835A - Method and device for improving heat exchange efficiency of fluid and die - Google Patents
Method and device for improving heat exchange efficiency of fluid and die Download PDFInfo
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- CN104174835A CN104174835A CN201410290287.6A CN201410290287A CN104174835A CN 104174835 A CN104174835 A CN 104174835A CN 201410290287 A CN201410290287 A CN 201410290287A CN 104174835 A CN104174835 A CN 104174835A
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Abstract
The invention discloses a method and a device for improving the heat exchange efficiency of a fluid and a die. The method comprises the following steps of first introducing the fluid to flow into a cooling/heating passage of the die into an ultrasonic container with an exhaust valve; then controlling an ultrasonic transducer to apply ultrasonic waves to the fluid in the ultrasonic container to ultrasonically vibrate the fluid in the ultrasonic container and transfer ultrasonic vibration into the cooling/heating passage of the die by using an ultrasonic generator; finally violently oscillating the fluid in the cooling/heating passage to greatly improve the heat exchange efficiency between the fluid and the die, thereby rapidly cooling or heating the die. According to the method and the device, the heat exchange efficiency of the fluid and the die can be remarkably improved to rapidly cool or heat the die, so that the production cycle of a single product can be shortened, and the production efficiency can be improved.
Description
Technical field
The present invention relates to the technical field that mold temperature is controlled, refer in particular to a kind of method and device thereof that improves fluid and mold hot exchange efficiency.
Background technology
Mould is instrument conventional in industrial production, needs to control well the temperature of mould in actual production process.The temperature of mould is controlled and is comprised to mold heated and cooling, if wish that melt is fast curing-formed, this just need to be cooling to its fast cooling, the cooling system of Here it is mould; And sometimes in order to give mould and die preheating, make mould remain on uniform temperature, just need to give mold heated.In mould temperature control, at mould internal channel, pass to that low temperature or high temperature fluid are realized the cooling of mould or heating is conventional way.Such as, patent 200620015517.9, a kind of diecasting punching head of water-cooling type has been described, the aluminium liquid of high temperature conducts heat to mould, makes mold temperature continue to rise, and at this moment just need to implement mould cooling; Patent 200920207288.4 has been introduced a kind of low-pressure casting mold oil-cooling temperature-reducing device.Cooling for mould, what generally take is that cooling medium is passed in cooling pipe, cooling medium and mould ad-hoc location carry out heat exchange, and mold temperature is reduced.But, accelerate at present the method for mold cools down heat exchange main or by increasing entrance flow velocity, reduce passage internal diameter and realize, and increase the necessary power that increases water pump of entrance velocity potential, and reduce passage internal diameter role, be also limited.Improve fluid thermal exchange capacity, except finding, have the fluid of Rapid Thermal exchange capacity, can also realize by methods such as mechanical agitation, vibration, insert flow-disturbings.Such as, patent 201320532431.3 has been introduced a kind of employing combination tie insert reinforced heat exchanger, this insert can subregion be replaced core flow and boundary layer fluid, improves the mixed effect of core flow and boundary layer fluid, reaches the object of enhanced heat exchange.But, although insert is conducive to enhanced heat exchange in pipeline, also brought certain pressure loss, and the fouling of insert reduces the important factor that exchange capability of heat is also its use of restriction.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and shortcoming, a kind of method and device thereof that improves effectively, reliably fluid and mold hot exchange efficiency is provided.
For achieving the above object, its method that improves fluid and mold hot exchange efficiency of technical scheme provided by the present invention is: first, the fluid that will flow in the cool/heat passage of mould is first incorporated in the ultrasonic container with air bleeding valve; Secondly, by supersonic generator, control ultrasonic transducer the fluid in ultrasonic container is applied to ultrasonic wave, make the fluid in ultrasonic container produce ultrasonic vibration and be delivered in the cool/heat passage of mould; Finally, fluid is concuss in cool/heat passage, significantly improves the heat exchanger effectiveness between itself and mould, thereby realizes the quick cooling of mould or heat.
When needs further improve the heat exchanger effectiveness of fluid and mould, can extend into vibrating arm to the die cavity in mould, and make vibrating arm produce the ultrasonic vibration identical with the fluid frequency that applies the interior cool/heat passage of flow through molds, realization is to the material production ultrasonic vibration in mold cavity, final two ul-trasonic irradiations resonate on mould, further improve the heat exchanger effectiveness of fluid and mould.
When needs further improve the heat exchanger effectiveness of fluid and mould, can insert porous media to the cool/heat passage in mould, the fluid that makes to flow through in cool/heat passage produces turbulent flow, further to improve fluid and mold hot exchange efficiency.
Device of the present invention, include ultrasonic container, ultrasonic transducer, supersonic generator with air bleeding valve, wherein, described air bleeding valve is located at the extreme higher position of ultrasonic container, the fluid intake of described ultrasonic container is by the tank of pipeline connecting band water pump, or die heater; Its fluid issuing is by the cool/heat passage in pipeline connecting mold; Described ultrasonic transducer is cemented in the outer surface of ultrasonic container, and is electrically connected to supersonic generator, by described supersonic generator, is controlled the fluid entering in ultrasonic container is applied to ultrasonic wave.
In the die cavity of described mould, put in vibrating arm, and on described vibrating arm, be consolidated with another ultrasonic transducer, described ultrasonic transducer is electrically connected to supersonic generator, by described supersonic generator, control vibrating arm is applied to ultrasonic wave, and make vibrating arm produce the ultrasonic vibration identical with the fluid frequency that applies the interior cool/heat passage of flow through molds.
Cool/heat passage in described mould is inserted with porous media, and the fluid that makes to flow through in cool/heat passage produces turbulent flow.
Described porous media is the foam copper identical with cool/heat channel diameter.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1, concuss in the cool/heat passage of fluid in mould under ul-trasonic irradiation, can significantly improve fluid and mold hot exchange efficiency, realize quick cooling die or rapidly heating moulds, can shorten like this production cycle of single products, enhance productivity;
2, can make the material that is formed in mold cavity cooling fast, obtain rapid solidification tissue, improve the mechanical property of formation of parts;
3, the heat exchange of fluid and mould is abundant, and the temperature difference on mould reduces, and the temperature of mould is comparatively even;
4, to fluid, apply hyperacoustic simple in structurely, be easy to realize, cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of device of the present invention in embodiment 1.
Fig. 2 is the structural representation of device of the present invention in embodiment 2.
Fig. 3 is the structural representation of device of the present invention in embodiment 3.
Fig. 4 is the structural representation of device of the present invention in embodiment 4.
The specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
Raising fluid described in the present embodiment and the method for mold hot exchange efficiency, its concrete condition is as follows:
The fluid that first, will flow in the cool/heat passage of mould is first incorporated in the ultrasonic container with air bleeding valve; Secondly, by supersonic generator, control ultrasonic transducer the fluid in ultrasonic container is applied to ultrasonic wave, make the fluid in ultrasonic container produce ultrasonic vibration and be delivered in the cool/heat passage of mould; Finally, fluid is concuss in cool/heat passage, significantly improves the heat exchanger effectiveness between itself and mould, thereby realizes the quick cooling of mould or heat.
As shown in Figure 1, for realizing the device of the present embodiment said method, it includes ultrasonic container 2, ultrasonic transducer 3, supersonic generator 4 with air bleeding valve 1, wherein, described air bleeding valve 1 is located at the extreme higher position of ultrasonic container 2, the fluid intake of described ultrasonic container 2 passes through the tank 6 of pipeline connecting band water pump 5, and is connected with filter 12 between described water pump 5 and ultrasonic container 2; Its fluid issuing is by the cool/heat passage 8 in pipeline connecting mold; Described ultrasonic transducer 3 is cemented in the outer surface of ultrasonic container 2, and is electrically connected to supersonic generator 4, by described supersonic generator 4, is controlled the fluid entering in ultrasonic container 2 is applied to ultrasonic wave.
In Foundry Production, the aluminium liquid of high temperature conducts heat to mould, makes mold temperature continue to rise, and at this moment just need to implement mould cooling.As shown in Figure 1, water pump 5 is by temperature in tank 6 in the water suction ultrasonic container 2 lower than mold temperature, water enters after ultrasonic container 2, gas can accumulate to air bleeding valve 1 place, open air bleeding valve 1, along with water constantly enters ultrasonic container 2, gas can be discharged from air bleeding valve 1, after air scavenge is complete, closes air bleeding valve 1; Water in ultrasonic container 2 is controlled ultrasonic transducer 3 work through supersonic generator 4 afterwards, makes the fluid in ultrasonic container 2 produce ultrasonic vibration and be delivered in the cool/heat passage 8 of mould; Cooling water concuss in the cool/heat passage 8 of mould afterwards, significantly improve the heat exchanger effectiveness between water and mould, last water flows out from the delivery port of mould again, takes the heat being discharged by moulding material in the die cavity 9 of mould out of, and realization is cooling fast to mould.
Embodiment 2
As shown in Figure 2, described in the present embodiment, in the die cavity 9 of mould, put in vibrating arm 10 as different from Example 1, and on described vibrating arm 10, be consolidated with another ultrasonic transducer 11, described ultrasonic transducer 11 is electrically connected to supersonic generator 4, by described supersonic generator 4, control vibrating arm 10 is applied to ultrasonic wave, and make vibrating arm 10 produce the ultrasonic vibration identical with the fluid frequency that applies the interior cool/heat passage 8 of flow through molds, realization is to the material production ultrasonic vibration in mold cavity, final two ul-trasonic irradiations resonate on mould, further improve the heat exchanger effectiveness of fluid and mould.
Embodiment 3
As shown in Figure 3, described in the present embodiment, the fluid intake of ultrasonic container 2 connects die heater 7 by pipeline as different from Example 1, in the die cavity 9 of mould, by the material of moulding, be magnesium alloy, heating mould when die heater 7 makes temperature flow through cool/heat passage 8 in mould higher than the oil of mold temperature.
Embodiment 4
As shown in Figure 4, described in the present embodiment, the fluid intake of ultrasonic container 2 connects die heater 7 by pipeline as different from Example 2, heating mould when die heater 7 makes temperature flow through cool/heat passage 8 in mould higher than the oil of mold temperature.
Embodiment 5
Described in the present embodiment, in the cool/heat passage 8 in mould, be inserted with porous media as different from Example 1, be specially the foam copper identical with cool/heat passage 8 diameters, the fluid that makes to flow through in cool/heat passage 8 produces turbulent flow, further to improve fluid and mold hot exchange efficiency.
The examples of implementation of the above are only the present invention's preferred embodiment, not with this, limit practical range of the present invention, therefore the variation that all shapes according to the present invention, principle are done all should be encompassed in protection scope of the present invention.
Claims (7)
1. a method that improves fluid and mold hot exchange efficiency, is characterized in that: first, the fluid that will flow in the cool/heat passage of mould is first incorporated in the ultrasonic container with air bleeding valve; Secondly, by supersonic generator, control ultrasonic transducer the fluid in ultrasonic container is applied to ultrasonic wave, make the fluid in ultrasonic container produce ultrasonic vibration and be delivered in the cool/heat passage of mould; Finally, fluid is concuss in cool/heat passage, significantly improves the heat exchanger effectiveness between itself and mould, thereby realizes the quick cooling of mould or heat.
2. a kind of method that improves fluid and mold hot exchange efficiency according to claim 1, it is characterized in that: when needs further improve the heat exchanger effectiveness of fluid and mould, can extend into vibrating arm to the die cavity in mould, and make vibrating arm produce the ultrasonic vibration identical with the fluid frequency that applies the interior cool/heat passage of flow through molds, realization is to the material production ultrasonic vibration in mold cavity, final two ul-trasonic irradiations resonate on mould, further improve the heat exchanger effectiveness of fluid and mould.
3. a kind of method that improves fluid and mold hot exchange efficiency according to claim 1, it is characterized in that: when needs further improve the heat exchanger effectiveness of fluid and mould, can insert porous media to the cool/heat passage in mould, the fluid that makes to flow through in cool/heat passage produces turbulent flow, further to improve fluid and mold hot exchange efficiency.
4. can realize the device that improves the method for fluid and mold hot exchange efficiency described in claim 1 for one kind, it is characterized in that: the ultrasonic container (2), ultrasonic transducer (3), the supersonic generator (4) that include band air bleeding valve (1), wherein, described air bleeding valve (1) is located at the extreme higher position of ultrasonic container (2), the fluid intake of described ultrasonic container (2) is by the tank (6) of pipeline connecting band water pump (5), or die heater (7); Its fluid issuing is by the cool/heat passage (8) in pipeline connecting mold; Described ultrasonic transducer (3) is cemented in the outer surface of ultrasonic container (2), and be electrically connected to supersonic generator (4), the fluid of being controlled entering in ultrasonic container (2) by described supersonic generator (4) applies ultrasonic wave.
5. device according to claim 4, it is characterized in that: in the die cavity of described mould (9), put in vibrating arm (10), and on described vibrating arm (10), be consolidated with another ultrasonic transducer (11), described ultrasonic transducer (11) is electrically connected to supersonic generator (4), by described supersonic generator (4), control vibrating arm (10) applied to ultrasonic wave, and make vibrating arm (10) produce with apply flow through molds in the identical ultrasonic vibration of the fluid frequency of cool/heat passage (8).
6. device according to claim 4, is characterized in that: the cool/heat passage (8) in described mould is inserted with porous media, and the fluid that makes to flow through in cool/heat passage (8) produces turbulent flow.
7. device according to claim 6, is characterized in that: described porous media is the foam copper identical with cool/heat passage (8) diameter.
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| CN201410290287.6A CN104174835B (en) | 2014-06-25 | 2014-06-25 | A kind of method and device thereof improving fluid and mold hot exchange efficiency |
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| CN201410290287.6A CN104174835B (en) | 2014-06-25 | 2014-06-25 | A kind of method and device thereof improving fluid and mold hot exchange efficiency |
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| CN104174835B CN104174835B (en) | 2016-02-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110033926A (en) * | 2019-05-21 | 2019-07-19 | 国网福建省电力有限公司邵武市供电公司 | A kind of transforming plant main transformer ultrasonic intelligent cooling means |
| CN110033925A (en) * | 2019-05-21 | 2019-07-19 | 国网福建省电力有限公司邵武市供电公司 | Main transformer ultrasonic intelligent cooling device |
| CN110064732A (en) * | 2019-05-14 | 2019-07-30 | 广东鸿特精密技术（台山）有限公司 | A kind of casting mould and its manufacturing method that Quick uniform is cooling |
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| JPS58159958A (en) * | 1982-03-19 | 1983-09-22 | Nippon Kokan Kk <Nkk> | Continuous casting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110064732A (en) * | 2019-05-14 | 2019-07-30 | 广东鸿特精密技术（台山）有限公司 | A kind of casting mould and its manufacturing method that Quick uniform is cooling |
| CN110033926A (en) * | 2019-05-21 | 2019-07-19 | 国网福建省电力有限公司邵武市供电公司 | A kind of transforming plant main transformer ultrasonic intelligent cooling means |
| CN110033925A (en) * | 2019-05-21 | 2019-07-19 | 国网福建省电力有限公司邵武市供电公司 | Main transformer ultrasonic intelligent cooling device |
| CN110033926B (en) * | 2019-05-21 | 2021-07-27 | 国网福建省电力有限公司邵武市供电公司 | Intelligent ultrasonic cooling method for main transformer of transformer substation |
| CN110033925B (en) * | 2019-05-21 | 2021-07-27 | 国网福建省电力有限公司邵武市供电公司 | Ultrasonic intelligent cooling device of main transformer |
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| CN104174835B (en) | 2016-02-24 |
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Effective date of registration: 20181219 Address after: 526070 Factory No. 8 of Guangdong Hongte Precision Technology Co., Ltd. in North 10 District of Guicheng New Town, Dinghu District, Zhaoqing City, Guangdong Province Patentee after: Guangdong Hong te precision technology Zhaoqing Co., Ltd. Address before: 510640 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: South China University of Technology |
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